Just been doing some random mechanical tasks, like changing mower oil, and decided as I've been meaning to, to use my brilliant CTEK Intelligent charger to recondition the battery in the 350Z...Thoughtfully, the previous owner or mechanic, wrote the date on it: 5 years old a few days ago! (That's not a bad innings for a modern day battery). Its an RACQ one, which usually means it's made by CENTURY - Australian made & owned. I've bought LOTS of batteries for cars and motorbikes over the years (I mean that literally; LOTS!!).

I DID favour USA made CAT (makers of Caterpillar machinery) batteries until recently, which you can buy at their sales office locally (Archerfield if you're in Brisbane) - usually only around AU$120 or so, for a really beefy Silver plated one, which mostly I've needed for the few V8's I had. Still need big CCA's for the 6's I own.

My point is, knowing how things go; expect a post from me in the not too distant future, about how the battery died when I was out somewhere! Do I replace it NOW, or see how long it goes? Think I'll definitely go CENTURY next time.

Lovely CTEX chargers. in the last say 10 days, I know of at least 3 Harley Batteries that died well before there time as they were put on CTEX Chargers. No replacement for bring a battery down and then charging. over charging a Battery that has not been drawn down will and DOES shorten it's life! If your Battery isn't flat, keep it OFF the charger. I don't give a Rats ass what they claim at CTEX. Seen it to many times!

Optimal Red Top in my vette is 9 years old. Car generally only gets run a few times a month if that. Last year it sat for 6 months between runs. Never been on a charger and still cranks as hard as the day I got the car.

I believe the difference between the NS50PLX & NS50PX is the L in NS50PLX means the negative terminal is on the LHS, good if you have a US car or a short negative lead that can't reach the other terminal.

Just like the Battery in your mobile phone or tablet , you need to cycle it. it should run down and then recharge for maximum life. overcharging and or maintaining a full charge at all times is NOT the way to get life from your battery. There is NO charger on my Sports Car or Motorcycle. And I can report better than average battery life.

To get the most out of a lithium-ion battery, you should try to keep it north of 50 per cent as much as possible. Going from all the way full to all the way empty won't help at all; it'll do a little damage and it's even worse if do a full drain on a regular basis. It will shorten its lifespan. Your battery will behave the best if you take it off the charge before it hits 100 per cent

You mean they $wore by them. They were obviously paid to feature them so much but being a reputable show, you'd think they'd research them a bit more for problems, unless they needed the sponsorship. I've never used them so can't speak for them, they may only be good for a certain style of battery, to be used sporadically or the buyers bought the wrong charger for their battery. The battery in your car is constantly being recharged by the alternator so if their chargers ruin batteries something's not right.

I replaced the S with a dollar sign, the font here isn't that good so you may not have picked that up, it doesn't look much different to an S. I was meaning to say they're paid to swear by them.

There shouldn't be an issue with trickle charging, it's what your car does but not 24/7 so the CTeks should have something like a thermostat in their programming which switches the charge off at an upper limit near 100% capacity and stays off till the charge drains down to a lower limit, rather than constantly trickling up near 100%.

Agreed, They were PAID to Swear by them. No I have not spend days and weeks testing The CTEX Charger. just simply stated that I have had several customers in a very short period of time have dead, (Killed) Battery'sthat have been over charged on CTEX chargers. If it isn't flat, DON'T Charge it!